Form Data in Email no longer formatting correctly.

Form Data in Email no longer formatting correctly.

I have forms coming to email with all form data in body. They use to arrive formatted correctly. Starting last week, they all come broken now. Shown below. Please help.

User submitted data
Are_you_18_years_of_age_or_older :Yes
If_no_why_not :
Email :
May_we_contact_your_supervisor :null
Address :test
Your_Job_Title :
Reason_for_leaving1 :
Employer_s_Phone_Number :
Present_Last_Employer :


It use to be like this:

User submitted data
First Name John
Last Name Doe
Address 123 Main St
City Sunnyville
Zip Code 12345